Update topic.fr.md

01.curriculum/01.physics-chemistry-biology/03.niv3/20.classical-physics/topic.fr.md

 ---
 title: "classical-physics"
+---
+title: 'De mes perceptions du monde extérieur,<br>À la physique, la chimie, la biologie, et les sciences industrielles et environnementales<br><br>'
+media_order: sciences_400_2400_web.jpg
+slug: electromagnetism
+#content:
+#    items: '@self.modular'
+#    order:
+#        by: ''
+#        dir: ''
 published: true
 routable: true
 visible: true